list3 = [
    {'name': 1, 'hobby': 2},
    {'name': 1, 'hobby': 1},
    {'name': 1, 'hobby': 3},
    {'name': 2, 'hobby': 1},
    {'name': 2, 'hobby': 2},
]
list4 = [1]
list4.remove(1)
print(list4 == [])
print(list3[0])
print(list3[-2])
a = [1, None]
for i in range(len(a)):
    print(a[i] == a[-(i + 1)])
for j in range(0):
    print(j)
import json
print(json.loads('[null]'))
